IPC Technical Project Manager John Perry explains how to measure the thermal zone for boards with blind or buried vias using new concepts developed for the IPC-6012 industry standard.
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IPC Tech Question Online 
2 Comments
Hi, This video does not explain the thermal zone for burried via. I believe the same rules apply to burried.
Regards,
Andy
Hi Andy,
I checked with John Perry. Although the buried via isn’t shown in the video, the same rules apply. For more information, you can contact him directly at answers@ipc.org. Thanks for the comment.